I have been asked to determine a value for estate purposes on a 2004 Commenrative Edition. As I understand at this early stage from only a few pics/phone chat it's dead stock except for battery, has about 3,000 or so miles and has been covered/stored last 5 yrs.. Most comps I'm seeing are higher miles and modified more or less. It's a Z-49 car by glove box label. How do I determine where this car falls in the production run. Any thoughts. Thx